Confirmed advanced NSCLC patients who had received anlotinib alone or in combination were enrolled....Stratification analysis showed the PFS of anlotinib plus immunotherapy was significantly longer in male, adenocarcinoma, <=65 years old, patients stage IV, EGFR wild type, with extrathoracic metastasis, performance status scores ≥ 2, the first-line treatment, patients with a history of hypertension and no previous antiangiogenesis than anlotinib monotherapy.